XR16V654IL-F

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The XR16V654IL-F is a quad universal asynchronous receiver/transmitter (UART) interface integrated circuit manufactured by MaxLinear. It features four independent UART channels, each equipped with 64-byte transmit and receive FIFOs to enhance data throughput and reduce processor overhead. The device supports data rates up to 16 Mb/s and operates within a supply voltage range of 2.25 V to 3.6 V. It is housed in a 48-lead QFN package measuring 7 mm x 7 mm with a 0.50 mm pitch. The component functions across an industrial temperature range from -40°C to +85°C and includes internal oscillators, timers/counters, and automatic flow control capabilities.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Quad channel architecture with dedicated 64-byte FIFOs for each transmitter and receiver path
• Supports high-speed serial communication with maximum data rates reaching 16 Mb/s
• Integrates internal clock generation, timer/counter units, and automatic hardware flow control
• Compatible with standard RS-232 signaling protocols and offers modem control line management

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial automation systems requiring multiple serial communication ports
• Embedded computing platforms needing high-density UART interfaces
• Telecommunications equipment utilizing serial data transmission
• Medical devices with low-voltage operational requirements

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the manufacturer designation as MaxLinear or Exar, as corporate transitions may affect documentation sources. Confirm the specific suffix indicates the lead-free and RoHS-compliant variant. Ensure the package type matches the 48-lead QFN specification with the correct pinout configuration for your PCB layout. Check for any recent product change notifications regarding electrical characteristics or packaging updates.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when four independent UART channels are required in a compact surface-mount form factor. The 64-byte FIFO depth is suitable for applications demanding reduced CPU intervention during high-throughput serial transfers. Ensure the system power supply remains stable between 2.25 V and 3.6 V to maintain reliable operation. Consider the thermal performance of the QFN package if operating at maximum data rates in enclosed environments.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the XR16V654 series of quad UART controllers. It shares functional similarities with other members of the VLIO family but is distinguished by its specific FIFO size and package configuration. The device serves as a bridge between parallel microprocessor buses and serial asynchronous communication lines, facilitating efficient data exchange in complex electronic systems.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

The XR16V654DIV-F is a pin-compatible alternative offered in a 64-lead LQFP package. Verify that the footprint on the printed circuit board accommodates the larger LQFP dimensions if substituting. Both parts share identical electrical specifications and functionality, allowing for direct replacement provided space constraints are met.